Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4642736 | Light diffuser | Tokihiko Masuzawa, Yoshitaka Kageyama | 1987-02-10 |
NT
Norizou Tomita
Overall (All Time): #3,968,159 of 4,157,543Top 100%
1
Patents All Time